Compatibility fit your Keurig 1.0 2.0 and can be safely used in K200, K300, K400, and K500 Series Brewers. Please note NOT COMPATIBLE with Keurig K130 (B130),K145 (B145),K150 (B150),K155 (B155), K3000 (B3000). Excellent Reusable K Cup ♦♦Premium stainless steel design.…